Redding Profile Crimp Dies were designed for those who want the best possible crimp. Profile crimp dies provide a tighter more uniform roll type crimp and require the bullet to be seated to the correct depth in a previous operation.
This die was specifically developed in response to the increased popularity of loading Hornady FTX bullets in the 45-70 cartridge. The FTX bullet requires the case to be trimmed down slightly shorter than SAAMI specifications which prevents standard reloading dies from properly crimping. The Redding 45-70 FTX die has a lowered crimping section allowing it to perfectly crimp cases loaded with FTX bullets. This die may also be used on standard length 45-70 cases as long as it is backed out slightly.